"""
Case Type   : 多节点写入
Case Name   : 备机在函数中执行INSERT/DELETE/UPDATE语句及DDL语句
Create At   : 2023/1/6
Owner       : @li-xin12345
Description :
    1.修改enable_remote_execute参数值为on
    2.备机在函数中执行INSERT/DELETE/UPDATE语句及DDL语句
    3.备机查看日志打印
    4.环境清理，恢复参数
Expect      :
    1.修改成功
    2.创建成功，调用失败
    3.创建函数转发给主机，调用函数不转发给主机
    4.环境清理成功，恢复参数成功
History     :
    Modified by @li-xin12345 2023/3/15:研发代码变更，libpqsw日志打印增加线程号，优化断言以适配新代码
    Modified by @kyeleze 2023/7/5:研发代码变更，日志打印信息更改，优化断言以适配新代码
"""
import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant

PrimarySh = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == PrimarySh.get_node_num(),
                 'Single node, and subsequent codes are not executed.')
class MultiNodeWrite(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.standby_node = Node('Standby1DbUser')
        self.standby_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.common = Common('Standby1DbUser')
        self.table_name = 't_multi_node_write_0022'
        self.func_name = 'func_multi_node_write_0022'
        self.new_log_path = os.path.join(macro.PG_LOG_PATH,
                                         'pg_log_multi_node_write_case0022')
        self.enable_remote_execute = 'enable_remote_execute'
        self.log_statement = 'log_statement'
        self.log_directory = 'log_directory'
        self.remote_execute_default = self.common.show_param(
            self.enable_remote_execute)
        self.log_statement_default = self.common.show_param(self.log_statement)
        self.log_dir_default = self.common.show_param(self.log_directory)
        shell_cmd = f"rm -rf {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.assertEquals('', shell_msg, '删除目录失败')

    def test_multi_node_write(self):
        step1 = "-----step1:修改enable_remote_execute参数值为on;expect:修改成功-----"
        self.logger.info(step1)
        result = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}=on')
        self.assertTrue(result, '执行失败' + step1)
        restart_res = self.standby_sh.restart_db_cluster()
        self.assertTrue(restart_res, '执行失败' + step1)
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        self.assertEquals(show_remote_execute, 'on', '执行失败' + step1)
        result = self.standby_sh.execute_gsguc('reload',
                                               self.constant.GSGUC_SUCCESS_MSG,
                                               f'{self.log_statement}=all')
        self.assertTrue(result, '执行失败' + step1)
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.new_log_path}\'', single=True)
        self.assertTrue(result, '执行失败' + step1)
        show_log_statement = self.common.show_param(self.log_statement)
        self.assertEquals(show_log_statement, 'all', '执行失败' + step1)
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertEquals(show_log_directory, self.new_log_path, '执行失败' + step1)

        step2 = "-----step2:备机在函数中执行INSERT/DELETE/UPDATE语句及DDL语句;" \
                "expect:创建成功，调用失败-----"
        self.logger.info(step2)
        sql_cmd = f'''create or replace function {self.func_name}
            (tb_name varchar) return varchar is 
            begin 
            execute immediate 'drop table if exists  ' || tb_name || ';';
            execute immediate 'create table  '|| tb_name || 
            '(id int, name varchar(20));';
            execute immediate 'insert into ' || tb_name || ' values 
            (generate_series(1,10), ''test'');';
            execute immediate 'update ' || tb_name || ' 
            set name=''software'' where id = 3;';
            execute immediate 'delete from ' || tb_name || ' where id = 5;';
            return tb_name;
            end;'''
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn(self.constant.CREATE_FUNCTION_SUCCESS_MSG,
                      sql_msg, '执行失败' + step2)
        time.sleep(10)
        sql_cmd = f"call {self.func_name}('{self.table_name}');"
        sql_msg = self.standby_sh.execut_db_sql(sql_cmd)
        self.logger.info(sql_msg)
        self.assertIn("ERROR", sql_msg, '执行失败' + step2)

        step3 = "-----step3:备机查看日志打印;" \
                "expect:创建函数转发给主机，调用函数不转发给主机-----"
        self.logger.info(step3)
        shell_cmd = f"ls -t {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        logfile = os.path.join(self.new_log_path, shell_msg.split()[-1])
        self.logger.info(logfile)
        shell_cmd = f"cat {logfile}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.logger.info(shell_msg)
        self.assertIn(f'we find new transfer request:[TRACE] Q: portal='
                      f'{self.constant.CREATE_FUNCTION_SUCCESS_MSG}',
                      shell_msg, '执行失败:' + step3)
        self.assertIn('Connecting to remote server', shell_msg, '执行失败:' + step3)
        self.assertNotIn(f"statement:"
                         f"call {self.func_name}('{self.table_name}');",
                         shell_msg, '执行失败:' + step3)
        self.assertIn(f'LOG:  libpqsw', shell_msg, '执行失败:' + step3)

    def tearDown(self):
        step4 = "-----step4:环境清理，恢复参数;expect:环境清理成功，恢复参数成功-----"
        self.logger.info(step4)
        drop_cmd = f"drop function {self.func_name};"
        drop_msg = self.standby_sh.execut_db_sql(drop_cmd)
        self.logger.info(drop_msg)
        result1 = self.standby_sh.execute_gsguc(
            'set', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}={self.remote_execute_default}')
        restart_res = self.standby_sh.restart_db_cluster()
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        result2 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_statement}={self.log_statement_default}')
        result3 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.log_dir_default}\'', single=True)
        show_log_statement = self.common.show_param(self.log_statement)
        show_log_directory = self.common.show_param(self.log_directory)
        self.logger.info("-----断言teardown-----")
        self.assertIn(self.constant.DROP_FUNCTION_SUCCESS_MSG,
                      drop_msg, '执行失败' + step4)
        self.assertTrue(result1, '执行失败' + step4)
        self.assertTrue(restart_res, '执行失败' + step4)
        self.assertEquals(show_remote_execute, self.remote_execute_default,
                          '执行失败' + step4)
        self.assertTrue(result2, '执行失败' + step4)
        self.assertTrue(result3, '执行失败' + step4)
        self.assertEquals(show_log_statement, self.log_statement_default,
                          '执行失败' + step4)
        self.assertEquals(show_log_directory, self.log_dir_default,
                          '执行失败' + step4)
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
